1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
#!./perl
# This test harness will (eventually) test the "tie" functionality
# without the need for a *DBM* implementation.
# Currently it only tests the untie warning
chdir 't' if -d 't';
unshift @INC, "../lib";
$ENV{PERL5LIB} = "../lib";
$|=1;
# catch warnings into fatal errors
$SIG{__WARN__} = sub { die "WARNING: @_" } ;
undef $/;
@prgs = split "\n########\n", <DATA>;
print "1..", scalar @prgs, "\n";
for (@prgs){
my($prog,$expected) = split(/\nEXPECT\n/, $_);
eval "$prog" ;
$status = $?;
$results = $@ ;
$results =~ s/\n+$//;
$expected =~ s/\n+$//;
if ( $status or $results and $results !~ /^WARNING: $expected/){
print STDERR "STATUS: $status\n";
print STDERR "PROG: $prog\n";
print STDERR "EXPECTED:\n$expected\n";
print STDERR "GOT:\n$results\n";
print "not ";
}
print "ok ", ++$i, "\n";
}
__END__
# standard behaviour, without any extra references
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
EXPECT
########
# standard behaviour, with 1 extra reference
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
untie %h;
EXPECT
########
# standard behaviour, with 1 extra reference via tied
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
untie %h;
EXPECT
########
# standard behaviour, with 1 extra reference which is destroyed
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
$a = 0 ;
untie %h;
EXPECT
########
# standard behaviour, with 1 extra reference via tied which is destroyed
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
$a = 0 ;
untie %h;
EXPECT
########
# strict behaviour, without any extra references
use warning 'untie';
#local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
EXPECT
########
# strict behaviour, with 1 extra references generating an error
use warning 'untie';
#local $^W = 1 ;
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
untie %h;
EXPECT
untie attempted while 1 inner references still exist
########
# strict behaviour, with 1 extra references via tied generating an error
use warning 'untie';
#local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
untie %h;
EXPECT
untie attempted while 1 inner references still exist
########
# strict behaviour, with 1 extra references which are destroyed
use warning 'untie';
#local $^W = 1 ;
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
$a = 0 ;
untie %h;
EXPECT
########
# strict behaviour, with extra 1 references via tied which are destroyed
use warning 'untie';
#local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
$a = tied %h;
$a = 0 ;
untie %h;
EXPECT
########
# strict error behaviour, with 2 extra references
use warning 'untie';
#local $^W = 1 ;
use Tie::Hash ;
$a = tie %h, Tie::StdHash;
$b = tied %h ;
untie %h;
EXPECT
untie attempted while 2 inner references still exist
########
# strict behaviour, check scope of strictness.
no warning 'untie';
#local $^W = 0 ;
use Tie::Hash ;
$A = tie %H, Tie::StdHash;
$C = $B = tied %H ;
{
use warning 'untie';
#local $^W = 1 ;
use Tie::Hash ;
tie %h, Tie::StdHash;
untie %h;
}
untie %H;
EXPECT
########
# verify no leak when underlying object is selfsame tied variable
my ($a, $b);
sub Self::TIEHASH { bless $_[1], $_[0] }
sub Self::DESTROY { $b = $_[0] + 0; }
{
my %b5;
$a = \%b5 + 0;
tie %b5, 'Self', \%b5;
}
die unless $a == $b;
EXPECT
########
# Interaction of tie and vec
my ($a, $b);
use Tie::Scalar;
tie $a,Tie::StdScalar or die;
vec($b,1,1)=1;
$a = $b;
vec($a,1,1)=0;
vec($b,1,1)=0;
die unless $a eq $b;
EXPECT
|
